15,000 in Springfield, IL on 2/10/07 (announcement)
23,000 in Austin, TX on 2/23
14,000 in Oakland, CA on 3/17
20,000 in Atlanta, GA on 4/14
10,000 in Iowa City, IA on 4/22
24,000 in New York, NY on 9/27 (Hillary's state)
4,000 in Madison, WI on 10/15
6,000 in Tempe, AZ on 10/19
9,500 in Boston, MA on 10/23
4,300 in Charlottesville, VA on 10/29
18,500 in Des Moines, IA on 12/8
10,000 in Cedar Rapids, IA on 12/8 (ice storm, bad roads)
29,000 in Columbia, SC on 12/9
8,500 in Manchester, NH on 12/9
----------- Primaries start -----------
11,000 in Birmingham, AL on 1/27/08
18,000 in Denver, CO on 1/30
13,000 in Phoenix, AZ on 1/30
14,000 in Boise, ID on 2/2 (largest rally in 50 years)
20,000 in Minneapolis, MN on 2/2
20,000 in St. Louis, MO on 2/2
20,000 in Wilmington, DE on 2/3
17,000 in Hartford, CT on 2/4
5,000 in New Orleans, LA on 2/7
10,000 in Omaha, NE on 2/7
21,000 in Seattle, WA on 2/8 (thousands turned away)
7,500 in Bangor, ME on 2/9 (2,000 turned away)
11,000 in Baltimore, MD on 2/10
20,000 in Madison, WI on 2/12
3,500 in Eau Claire, WI on 2/16 (capacity)
19,000 in Houston, TX on 2/19
10,000 in Edinburg, TX on 2/22
5,000 in Akron, OH on 2/23
7,000 in Cleveland, OH on 2/23
15,000 in Toledo, OH on 2/24
11,000 in Dayton, OH on 2/25
12,000 in San Marcos, TX on 2/27
13,000 in Ft. Worth, TX on 2/28
5,500 in Providence, RI on 3/1 (1,000 overflow)
9,000 in Jackson, MS on 3/10
22,000 in State College, PA on 3/30
8,000 in Missoula, MT on 4/5
35,000 in Philadelphia, PA on 4/18 (no, that's not a typo)
6,000 in Wynnewood, PA on 4/19 (whistle stop)
3,000 in Paoli, PA on 4/19 (whistle stop)
8,700 in Harrisburg, PA on 4/19
10,000 in Pittsburgh, PA on 4/21
5,000 in Wilmington, NC on 4/28
18,000 in Chapel Hill, NC on 4/28
12,000 in Bloomington, IN on 4/30
21,000 in Indianapolis, IN on 5/5
8,000 in Eugene, OR on 5/9
8,000 in Louisville, KY on 5/12 (2,000 turned away)
15,000 in Grand Rapids, MI on 5/14 (thousands SRO)
7,000 in Sioux Falls, SD on 5/1675,000!! in Portland, OR on 5/18
15,000 in Tampa, FL on 5/21
16,000 in Sunrise, FL on 5/23 (largest political rally in FL ever)
17,000 in St. Paul, MN on 6/3/08 (nomination victory speech, +15,000 outside)

and

over 1,500,000 individual donors to the campaign,
more than any primary candidate in history